Tajendra Singh

Product Engineer

Sheffield, England, United Kingdom15 yrs 11 mos experience

Key Highlights

  • 15 years of VLSI engineering experience.
  • Expertise in STA flows and timing closure.
  • Led multiple projects in advanced technology nodes.
Stackforce AI infers this person is a Semiconductor expert with extensive experience in VLSI design and timing analysis.

Contact

Skills

Core Skills

PrimetimeTiming ClosureStaP&r

Other Skills

Reasoning SkillsEDAECOPnRVoltageScriptingTimingPower ConsumptionCommunicationWritten CommunicationProblem SolvingAnalytical SkillsCadenceCompilersIntegrated Circuits (IC)

About

VLSI engineer with 15 years of experience across PnR, STA, PV, and Synthesis.  Know Perl, Shell, tcl Scripting, have been Part of the team in development of STA flows from scratch.  Involved in multiple tape outs of design varying from 450 MHz to 3.2Ghz, with SOC/GPU/Block-level teams.  Experience in low power design with UPF 2.0.  Exposure of Ethernet/Automobile/mobile chips in Place & route as well timing closure.  Over the years supported and closed design on multiple tech-nodes Ranging from 65nm-2nm.  Worked on latest primetime feature like, SMC, hyper-grid, CTPM, 3DIC with RnD and deployed.  Enabled LLE (Local layout effect – Prominent in 3nm and below) for Samsung designs.  Worked on Primeshield enablement team for features like, Aging STA, Vt Skew Analysis, CTPM.  Verified and enabled Primetime features like Hyperscale, Hypergrid and SMC for Samsung design.  Experience with AI solution from synopsys for multi-die corner reduction using ML. worked with RnD as Product AE for this.  Ownership for constraints generation for high speed interfaces, like HSPHY, LETH and GETH.  Would like to continue working in VLSI domain to enhance my skills to contribute to the technology advancements.

Experience

15 yrs 11 mos
Total Experience
2 yrs 6 mos
Average Tenure
10 mos
Current Experience

Arm

Principal Engineer

Aug 2025Present · 10 mos · Sheffield · On-site

Infineon technologies

Principal Engineer

Sep 2024Aug 2025 · 11 mos · Munich, Bavaria, Germany · On-site

Synopsys inc

2 roles

Senior Staff Engineer

Jan 2024Sep 2024 · 8 mos · On-site

  • Project: Work with Samsung Foundry team
  • Leading team for new tool feature enablement and existing project support for tool issues. .
  •  SPICE-PT correlation for SF2 certification, Vmin/SMVA related issues have been handled.
  •  Primeclosure deployment for 2nm {SF2} , Closely Working with SOC team for design closure.
  •  3DIC features deployment for timing signoff. Project: Worked with Samsung Foundry team on pessimism reduction and ML based corner reduction.
  •  SMC enablement to reduce no of corners to run. Attribute based CTPM {Compact timing and power model} enablement {follow up with RnD and closure with client} were part of new feature testing and deployment.
  •  Leading and guiding juniors for multiple PT/PS/PC issues.
  • Skills: Reasoning Skills · EDA · Primetime · Timing Closure · ECO. PnR . Voltage · Scripting · Timing · Power Consumption · Communication · Written Communication · Problem Solving · Analytical Skills
Reasoning SkillsEDAPrimetimeTiming ClosureECOPnR+8

Staff Engineer

Feb 2022Feb 2024 · 2 yrs · On-site

  • Project: Work with Samsung Foundry team
  • Responsible for new tool feature enablement and existing project support for
  • tool issues.
  •  SMC enablement, Attribute based CTPM enablement {follow up with
  • RnD and closure with client} were part of new feature testing and
  • deployment.
  •  SPICE-PT correlation for 4LPP certification, Vmin/SMVA related issues
  • have been handled.
  •  Primeclosure deployment for 3nm/4lpe, Closely Working with SOC team
  • for design closure.
  •  3DIC features deployment for timing signoff.
EDAScriptingWritten CommunicationTiming ClosureCadenceAnalytical Skills+7

Qualcomm

2 roles

Staff Engineer

Promoted

Dec 2019Mar 2022 · 2 yrs 3 mos · On-site

  • 👉Staff Engineer
  • Qualcomm Technologies, Noida, Uttar Pradesh
  • Project: STA Methodologies and support
  • Was Responsible for 3 broad activities:
  •  Tech node enhancements: working with vendors {Synopsys and cadence to
  • use latest technologies like hierarchical STA, PGV to implement in QC env}.
  • Lastly Worked on 4nm enablement.
  •  Custom request for all “test mode teams” across Qualcomm.
  • Enhancements related to CB-DFT, test timing closure, clock offset flow.
  •  Support on the existing flow and mentoring couple of resources to pick up
  • pace and helping in resolving critical tickets.
CompilersScriptingWritten CommunicationTiming ClosureAnalytical SkillsIntegrated Circuits (IC)+8

Senior Lead

Jul 2016Dec 2019 · 3 yrs 5 mos · On-site

  • 👉Senior Tech Lead (Jul,2016-Dec2019):
  • Project: QOR improvement from 14-5nm tech nodes for automotive and 5G
  • mobile chips.
  •  Responsible for improving digital physical design activities for 5G modem
  • products. Over the year engaged related to simulating tightened corners
  • on a per layer basis.
  •  Direction provided for the implementation and timing sign-off activities of
  • an entire SOC in 14lpp.
  •  Implementation and timing sign-off activities for 14lpp, Responsible for the
  • support of implementation of most of the blocks. This includes: · Closely
  • worked with designers to come up on working strategy for STA flow
  • enhancement, to improve QOR.
  •  Guided the CTS implementation for user to choose from multiple input
  • settings with Pro/Cons of all settings to be use Design has more than 100
  • clocks with frequencies 2.5 GHz, 1.25 GHz,625 MHz, 312.5 MHz · CTS
  • implementation activities to make timing sign-off easier at high frequencies.
  •  PnR flow setup & QOR improvement. · As a part of joint development effort
  • b/w Synopsys and Qualcomm, handled multiple 7-ff issues.
CompilersScriptingWritten CommunicationTiming ClosureAnalytical SkillsIntegrated Circuits (IC)+8

Smartplay technologies, noida

Senior Design Engineer

Jan 2015Jun 2016 · 1 yr 5 mos · Noida Area, India · On-site

  • Block Level PnR and Timing closure {28lpu-BT chip}:
  •  Tape out of 3 blocks with Frequency 1.2 GHz and 800 MHz with complexity
  • 780K, 738K and 1.03M gates
  •  Constraints Development, Placement, Clock tree synthesis, Routing and STA.
  •  Re-synthesis of 6 blocks because of new feature addition in design.
  •  Timing closure involved so many manual modifications including manual
  • routing, flop, and logic duplication, splitting of multibit flop and flop/logic
  • movements.
TransistorsWritten CommunicationIntegrated Circuits (IC)Personal ResponsibilityClock Tree SynthesisP&R+4

Wipro technologies

VLSI engineer-PD

May 2011Dec 2014 · 3 yrs 7 mos · Pune Area, India · On-site

  •  Worked on Different clients for tech nodes like 45nm/14nm/28nm.
  •  Did Synthesis using DC for wireless com chip {Block level}.
  •  Responsible for block level floor plan, Place and route, signoff checks.
  •  Timing closure in PnR/ECO flow.
  •  Responsible for Physical Implementation and STA for 2 partitions – PCIe and
  • SATA for SoC at 28nm technology node.
  •  Along with block implementation, I also helped Senior Engineers in Top Level
  • DRC/LVS issues.
  •  Wrote useful TCL utilities to automate the P&R flow Programming.
  •  Mentored team of new joiners for almost a year
TransistorsWritten CommunicationIntegrated Circuits (IC)Personal ResponsibilityClock Tree SynthesisP&R+3

Inko technology

Associate Engineer

May 2010May 2011 · 1 yr · Haridwar, Uttarakhand, India · On-site

  •  Quality assurance Engineer for the devices.
  •  Also, worked with sales team to boost up the business.

Education

BITS pilani

Master of Technology (M.Tech.) — microelectronics

Jan 2012Jan 2014

Roorke institute of technology, Roorkee

Bachelor of Technology (B.Tech.)

Jan 2006Jan 2010

Stackforce found 100+ more professionals with Primetime & Timing Closure

Explore similar profiles based on matching skills and experience